UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2QUzf32B/RYmSJoGJPtANPpmhNUaZdLSsV0E/D+xrs=' 
WHERE 
  key_id = '796399c9bc08ec0f31aba99d32cb30576bfed3f0aab225e37088ce158b577889' 
  AND (
    token = 'n2QUzf32B/RYmSJoGJPtANPpmhNUaZdLSsV0E/D+xrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )